Smithsonian Report. 1960 Draper 



PLATE 3 



SPECIFIC FORCE 

 RECEIVER 



(T) SEISMIC MASS 



@ SPRING 



GIMBAL SYSTEM 



(J) GYRO HOLDS THE 

 ^ DIRECTION OF ITS 



AXIS FIXED AMONG 



THE STARS 



(5) BASE IN PRACTICE 

 IS ATTACHED TO 

 GUIDED VEHICLE 



GYRO ROTOR 



'6') DEFLECTION OF 

 ' MASS 



7) ANGULAR MOTION 

 OF BASE 



8) SPECIFIC-FORCE 

 COMPONENT ALONG 

 GYRO AXIS 



(?) TOTAL SPECIFIC 

 FORCE ACTING ON 

 BASE 



NOTE: TO SIMPLIFY DIAGRAM, ONLY SINGLE-DEGREE-OF-FREEDOM OPERATION IS SHOWN. 



1. Two-dcgree-of-freedom ,cyro atid single-degree-of-freedom specific force receiver illus- 

 trating elements of inertial guidance for vehicles in arbitrary motion with respect, to the 

 earth. 



GYRO AND SPECIFIC FORCE RECEIVER PACKAGE 

 (multiple units of each kind to operate in three directions) 



2. Inertial u'uidance for a ballistic missile. 



